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Three-Phase Voltage Monitor Rail 10A 555072
Voltage Monitors

Three-Phase Voltage Monitor Rail 10A 555072

The PELC PT432-8 three-phase voltage monitoring relay monitors the mains voltage and detects phase loss, phase imbalance, phase sequence errors and undervoltage. The imbalance threshold is adjustable...

The PELC PT432-8 three-phase voltage monitoring relay monitors the mains voltage and detects phase loss, phase imbalance, phase sequence errors and undervoltage. The imbalance threshold is adjustable from 5% to 25%, and the device operates without a neutral connection. It is designed to protect submersible pumps and asynchronous three-phase motors from mains...

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  • Protection Type

    Overvoltage

    Monitors current consumption in Amperes (A). If the connected devices draw more current than the safety limit, the monitor cuts off the supply to prevent overheating of the cables and the risk of fire.

    Undervoltage

    Protects against dangerous voltage drops (e.g. < 190V). It is essential for devices with motors and compressors (air conditioners, refrigerators, pumps), which overheat and are damaged when they try to operate at low voltage.

    Phase Asymmetry

    Checks whether there is a large voltage deviation between the 3 phases (e.g. L1 = 230V, L2 = 180V). Protects three-phase devices from irregular operation, vibrations, and overheating.

    Phase Sequence

    Ensures that the phases are connected in the correct sequence (L1, L2, L3). Prevents three-phase motors and pumps from rotating in reverse, avoiding serious mechanical damage.
33 00 €
Delivery by Thu, 19 Nov
14,00 €   shipping cost
Sent from Greece
From Lynk.gr 4.9 (14)
4.9 (14 reviews)
Greece
1 piece
See Electrical Panel Supplies on the page of Lynk.gr

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Description & Specifications

The PELC PT432-8 three-phase voltage monitoring relay monitors the mains voltage and detects phase loss, phase imbalance, phase sequence errors and undervoltage. The imbalance threshold is adjustable from 5% to 25%, and the device operates without a neutral connection. It is designed to protect submersible pumps and asynchronous three-phase motors from mains faults.

The relay activates when all three phases are within the set imbalance threshold and their sequence is correct. It deactivates under any other condition, including phase loss below 300 VAC. Protection against mains surges and lightning is provided by a varistor, while the POWER ON and RELAY ON LEDs indicate the operating status.

  • Type: Three-phase
  • Rated contact current: 10 A
  • Mounting: DIN rail
  • Protection: Overvoltage, undervoltage, phase imbalance and phase sequence
  • Monitoring: Phase loss
  • Imbalance threshold: Adjustable from 5% to 25%
  • Phase-loss threshold: Below 300 VAC
  • Neutral-free operation: Yes
  • Surge protection: Varistor
  • LED indicators: POWER ON and RELAY ON
  • Power supply: 230 V AC / 50 Hz
  • Output relay: 1 changeover contact, 10 A / 250 VAC, AC1 category
  • Operating temperature: From -20 °C to +50 °C
  • Package contents: 1 three-phase voltage monitoring relay

Manufacturer

OEM

Manufacturer Details

Warnings & Safety Information
Placement
Rail
Type
Three-phase
Rated Contact Current
10 A

Rated Contact Current

Indicates the maximum current intensity (in Amperes) that the device can safely handle.
Digital
No
Protection Type
Overvoltage, Undervoltage, Phase Asymmetry, Phase Sequence

Protection Type

Overvoltage

Monitors current consumption in Amperes (A). If the connected devices draw more current than the safety limit, the monitor cuts off the supply to prevent overheating of the cables and the risk of fire.

Undervoltage

Protects against dangerous voltage drops (e.g. < 190V). It is essential for devices with motors and compressors (air conditioners, refrigerators, pumps), which overheat and are damaged when they try to operate at low voltage.

Phase Asymmetry

Checks whether there is a large voltage deviation between the 3 phases (e.g. L1 = 230V, L2 = 180V). Protects three-phase devices from irregular operation, vibrations, and overheating.

Phase Sequence

Ensures that the phases are connected in the correct sequence (L1, L2, L3). Prevents three-phase motors and pumps from rotating in reverse, avoiding serious mechanical damage.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

33,00 €
14,00 €   shipping cost